Answer:
Look for clues in the textual layout
Explanation:
It was a thriving economy, everyone loved Egypt or Alexandria since It had great farm land and since there was so many people they needed lots of housing space which they had, and plenty of farms to feed the demand of people.
The shape would be a trapezoid, because trapezoids always have two sets of equivalent angles, while others don't. Like squares and rectangles have all 90 degree angles.
